diff --git a/app/services/tasks/samples_to_repository_migration_service.rb b/app/services/tasks/samples_to_repository_migration_service.rb
index 151adc79c..1cce142f0 100644
--- a/app/services/tasks/samples_to_repository_migration_service.rb
+++ b/app/services/tasks/samples_to_repository_migration_service.rb
@@ -13,7 +13,7 @@ module Tasks
         created_by: team.created_by
       )
       return repository if repository.save
-      prepare_repository(team, copy_num += 1)
+      prepare_repository(team, copy_num + 1)
     end
 
     def self.prepare_text_value_custom_columns(team, repository)
@@ -65,7 +65,7 @@ module Tasks
         repository: repository,
         created_by_id: repository.created_by_id,
         data_type: :RepositoryTextValue,
-        name: 'Sample group color hex (e980a0f5)'
+        name: 'Sample group color hex'
       )
 
       sample_type = RepositoryColumn.create!(
@@ -131,12 +131,16 @@ module Tasks
                samples.name AS sample_name,
                samples.user_id AS sample_created_by_id,
                samples.last_modified_by_id AS sample_last_modified_by_id,
+               samples.created_at AS sample_created_at,
+               samples.updated_at AS sample_updated_at,
                sample_types.name AS sample_type_name,
                sample_groups.name AS sample_group_name,
                sample_groups.color AS sample_group_color
         FROM samples
-        LEFT OUTER JOIN sample_types ON samples.sample_type_id = sample_types.id
-        LEFT OUTER JOIN sample_groups ON samples.sample_type_id = sample_groups.id
+        LEFT OUTER JOIN sample_types
+        ON samples.sample_type_id = sample_types.id
+        LEFT OUTER JOIN sample_groups
+        ON samples.sample_type_id = sample_groups.id
         WHERE samples.team_id = #{team.id}
       SQL
 
diff --git a/lib/tasks/samples_to_repository_migration.rake b/lib/tasks/samples_to_repository_migration.rake
index 1941d9feb..bf179c76d 100644
--- a/lib/tasks/samples_to_repository_migration.rake
+++ b/lib/tasks/samples_to_repository_migration.rake
@@ -20,11 +20,16 @@ namespace :samples_to_repository_migration do
 
         team_samples.each do |item|
           created_by = item['sample_created_by_id'] || team.created_by_id
-          last_modified_by = item['sample_last_modified_by_id'] || team.created_by_id
-          row = RepositoryRow.create!(name: item['sample_name'],
-                                      created_by_id: created_by,
-                                      last_modified_by_id: last_modified_by,
-                                      repository: repository)
+          last_modified_by = item['sample_last_modified_by_id']
+          last_modified_by ||= team.created_by_id
+          row = RepositoryRow.create!(
+            name: item['sample_name'],
+            created_at: item['sample_created_at'],
+            updated_at: item['sample_updated_at'],
+            created_by_id: created_by,
+            last_modified_by_id: last_modified_by,
+            repository: repository
+          )
           # check if sample has sample type assigned
           if item['sample_type_name']
             column = custom_columns.detect { |el| el['name'] == 'Sample type' }
@@ -61,7 +66,7 @@ namespace :samples_to_repository_migration do
             # assign sample group color to the sample
             if item['sample_group_color']
               column = custom_columns.detect do |el|
-                el['name'] == 'Sample group color hex (e980a0f5)'
+                el['name'] == 'Sample group color hex'
               end
               RepositoryTextValue.create!(
                 data: item['sample_group_color'],
diff --git a/spec/services/tasks/samples_to_repository_migration_service_spec.rb b/spec/services/tasks/samples_to_repository_migration_service_spec.rb
index bbbed741c..6730cbb78 100644
--- a/spec/services/tasks/samples_to_repository_migration_service_spec.rb
+++ b/spec/services/tasks/samples_to_repository_migration_service_spec.rb
@@ -87,7 +87,7 @@ describe Tasks::SamplesToRepositoryMigrationService do
       it { expect(subject.first.data_type).to eq 'RepositoryListValue' }
       it { expect(subject.second.name).to eq 'Sample type' }
       it { expect(subject.second.data_type).to eq 'RepositoryListValue' }
-      it { expect(subject.last.name).to eq 'Sample group color hex (e980a0f5)' }
+      it { expect(subject.last.name).to eq 'Sample group color hex' }
       it { expect(subject.last.data_type).to eq 'RepositoryTextValue' }
 
       describe 'generated list items from sample types' do
@@ -142,7 +142,7 @@ describe Tasks::SamplesToRepositoryMigrationService do
       it { expect(subject.first.data_type).to eq 'RepositoryListValue' }
       it { expect(subject.second.name).to eq 'Sample type' }
       it { expect(subject.second.data_type).to eq 'RepositoryListValue' }
-      it { expect(subject.last.name).to eq 'Sample group color hex (e980a0f5)' }
+      it { expect(subject.last.name).to eq 'Sample group color hex' }
       it { expect(subject.last.data_type).to eq 'RepositoryTextValue' }
 
       describe 'generated list items from sample groups' do